-- on the frantic search for that missing toddler -- -- Little -- Reynolds vanished in the middle of the night in freezing temperatures and police are ramping up their search right now this is Wendy Davis has the latest. The hunt for twenty month old able Reynolds is intensifying. Along with the pleas from her mother Tristan -- Reynolds. I just want warrants I just want to know where my daughter Paris and who she made when it -- bring her home. For much of the day Monday investigators used airboats to searching nearby stream while low flying plane surveyed the immediate area. Back -- her father's house where Abel was last seen state police sealed off the property -- Are approaching this. Wouldn't every possible plot entangled in mind there's currently a very open case. At around 8 o'clock on Friday night Justin DiPietro -- father says he put the toddler to bed when he went to check -- Saturday morning. He says she was gone. He's had custody of bailout since child welfare agents -- -- with him in November while Reynolds was in rehab for substance abuse. During that time it was mom says she became concerned when she saw bruises and confronted him -- You know her and my -- like to go down on the stairs it could be from Matt and I just I didn't believe that I. When -- went missing she was wearing a soft cast she'd recently broken her arm in a fall. Our request to speak with DiPietro went on answered but police say both sides of the family are cooperating. For Good Morning America Lindsey Davis ABC news Waterville Maine.

This transcript has been automatically generated and may not be 100% accurate.

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